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Pennywort

Obolaria virginica

Last reviewed: August 2026

Pennywort (Obolaria virginica)
Photo: (c) Michael J. Papay, some rights reserved (CC BY), uploaded by Michael J. Papay

Toxicity unknown

Pennywort (Obolaria virginica) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

part shade

Water

medium

Size

3"–6" H × 2"–4" W

Bloom

Mar, Apr, May

Native to

AL, AR, DE, FL and 17 more states

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 445 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Pennywort is a rare, diminutive native wildflower that grows as a small groundcover in shaded woodland areas. This unusual plant produces tiny white to purplish flowers in early spring and has a parasitic relationship with tree roots, making it challenging to cultivate outside its natural habitat.

In an HOA neighborhood

Pennywort takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Extremely small and inconspicuous appearance
  • Very difficult to establish and maintain
  • May appear absent or dead for long periods

Wildlife value

Due to its rarity and specialized growing requirements, this plant has limited documented wildlife value in typical garden settings.

Common questions

How much sun does Pennywort need?
Pennywort grows best in part shade conditions.
When does Pennywort bloom?
Pennywort blooms in March, April, and May.
Where is Pennywort native?
Pennywort (Obolaria virginica) is native to AL, AR, DE, FL and 17 more states, per the World Checklist of Vascular Plants (Kew).
Is Pennywort HOA-friendly?
Pennywort takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Pennywort? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Not sure where to start? Take the 2-minute yard quiz